Lid Nystagmus as a Sign of Intrinsic Midbrain DiseaseJ Neuro-Ophthalmol 15:236-240, Brodsky,M.C.&Boop,F.A., 1995
Ocular Myasthenia:A Protean DisorderSurvey of Ophthalmology 39:169-210, Weinberg,D.A.,et al, 1994